DANBURY — A hidden camera revealed the truth about the 3-year-old's injuries: The girl's nanny intentionally burned the child on a hot stove, according to police.

The nanny, Lidia Quilligana, 31, of Homestead Avenue, was arrested Friday on charges of first-degree assault, risk of injury to a minor and third-degree criminal mischief, police said. She was held on $100,000 bail.

Police said Quilligana told the girl's mother that the child had accidentally touched the hot stove while the nanny was tending to other children. The girl was treated by her doctor.

After they returned to their Sienna Way home, the mother looked at the "hidden nanny camera" she had recently installed, police said, and saw that the nanny intentionally injured the girl.

She called police about 9:30 p.m., and officers arrested Quilligana at her home.